LARK Technologies, Inc

Any device whose MAC address begins with 64:C9:44 has a network interface built by LARK Technologies, Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

64:C9:44

Organization

LARK Technologies, Inc

Address

2570 W El Camino Real Mountain View CA US 94040

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.